You have just installed Windows 10 on your computer. After a successful installation, you begin to check out the functions. Everything seems to work okay except that you did no hear any sound when Windows boots or when you try to play music. You have verified that the speakers are plugged in and powered on. What might you need to do?

Which determines the sample size?

A) cluster itself B) what we know about the sample itself C) population D) systems analyst

Fill in the code to complete the following method for computing a Fibonacci number.

``` public static long fib(long index) { if (index == 0) // Base case return 0; else if (index == 1) // Base case return 1; else // Reduction and recursive calls return __________________; } ``` a. fib(index - 1) b. fib(index - 2) c. fib(index - 1) + fib(index - 2) d. fib(index - 2) + fib(index - 1)